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Title: Compositional and orientational control in metal halide perovskites of reduced dimensionality

Abstract

Reduced-dimensional metal halide perovskites (RDPs) have attracted significant attention in recent years due to their promising light harvesting and emissive properties. We sought to increase the systematic understanding of how RDPs are formed. Here we report that layered intermediate complexes formed with the solvent provide a scaffold that facilitates the nucleation and growth of RDPs during annealing, as observed via in situ X-ray scattering. Transient absorption spectroscopy of RDP single crystals and films enables the identification of the distribution of quantum well thicknesses. These insights allow us to develop a kinetic model of RDP formation that accounts for the experimentally observed size distribution of wells. RDPs exhibit a thickness distribution (with sizes that extend above n = 5) determined largely by the stoichiometric proportion between the intercalating cation and solvent complexes. Here, the results indicate a means to control the distribution, composition and orientation of RDPs via the selection of the intercalating cation, the solvent and the deposition technique.

Authors:
 [1]; ORCiD logo [2]; ORCiD logo [1];  [3]; ORCiD logo [1]; ORCiD logo [1];  [3]; ORCiD logo [4]; ORCiD logo [1]
  1. Univ. of Toronto, Toronto, ON (Canada)
  2. SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., Stanford, CA (United States)
  3. King Abdullah Univ. of Science and Technology (KAUST), Thuwal (Saudi Arabia)
  4. SLAC National Accelerator Lab., Menlo Park, CA (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1490652
Grant/Contract Number:  
AC02-76SF00515
Resource Type:
Accepted Manuscript
Journal Name:
Nature Materials
Additional Journal Information:
Journal Volume: 17; Journal Issue: 10; Journal ID: ISSN 1476-1122
Publisher:
Springer Nature - Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Quintero-Bermudez, Rafael, Gold-Parker, Aryeh, Proppe, Andrew H., Munir, Rahim, Yang, Zhenyu, Kelley, Shana O., Amassian, Aram, Toney, Michael F., and Sargent, Edward H. Compositional and orientational control in metal halide perovskites of reduced dimensionality. United States: N. p., 2018. Web. doi:10.1038/s41563-018-0154-x.
Quintero-Bermudez, Rafael, Gold-Parker, Aryeh, Proppe, Andrew H., Munir, Rahim, Yang, Zhenyu, Kelley, Shana O., Amassian, Aram, Toney, Michael F., & Sargent, Edward H. Compositional and orientational control in metal halide perovskites of reduced dimensionality. United States. doi:10.1038/s41563-018-0154-x.
Quintero-Bermudez, Rafael, Gold-Parker, Aryeh, Proppe, Andrew H., Munir, Rahim, Yang, Zhenyu, Kelley, Shana O., Amassian, Aram, Toney, Michael F., and Sargent, Edward H. Mon . "Compositional and orientational control in metal halide perovskites of reduced dimensionality". United States. doi:10.1038/s41563-018-0154-x. https://www.osti.gov/servlets/purl/1490652.
@article{osti_1490652,
title = {Compositional and orientational control in metal halide perovskites of reduced dimensionality},
author = {Quintero-Bermudez, Rafael and Gold-Parker, Aryeh and Proppe, Andrew H. and Munir, Rahim and Yang, Zhenyu and Kelley, Shana O. and Amassian, Aram and Toney, Michael F. and Sargent, Edward H.},
abstractNote = {Reduced-dimensional metal halide perovskites (RDPs) have attracted significant attention in recent years due to their promising light harvesting and emissive properties. We sought to increase the systematic understanding of how RDPs are formed. Here we report that layered intermediate complexes formed with the solvent provide a scaffold that facilitates the nucleation and growth of RDPs during annealing, as observed via in situ X-ray scattering. Transient absorption spectroscopy of RDP single crystals and films enables the identification of the distribution of quantum well thicknesses. These insights allow us to develop a kinetic model of RDP formation that accounts for the experimentally observed size distribution of wells. RDPs exhibit a thickness distribution (with sizes that extend above n = 5) determined largely by the stoichiometric proportion between the intercalating cation and solvent complexes. Here, the results indicate a means to control the distribution, composition and orientation of RDPs via the selection of the intercalating cation, the solvent and the deposition technique.},
doi = {10.1038/s41563-018-0154-x},
journal = {Nature Materials},
number = 10,
volume = 17,
place = {United States},
year = {2018},
month = {9}
}

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Cited by: 26 works
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Works referenced in this record:

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